From mboxrd@z Thu Jan  1 00:00:00 1970
X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me
X-Spam-Level: 
X-Spam-Status: No, score=-0.9 required=5.0 tests=BAYES_00,FORGED_GMAIL_RCVD,
	FREEMAIL_FROM autolearn=no autolearn_force=no version=3.4.4
Path: 
 eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!news.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail
From: =?UTF-8?Q?Bj=c3=b6rn_Lundin?= <b.f.lundin@gmail.com>
Newsgroups: comp.lang.ada
Subject: Re: Ok to assume type Duration is for more than one day?
Date: Mon, 23 Jan 2017 15:32:12 +0100
Organization: A noiseless patient Spider
Message-ID: <o65425$3l2$1@dont-email.me>
References: <52d00223-69b9-4a5c-a2e0-aaa906d9b200@googlegroups.com>
 <o64f5v$h65$1@dont-email.me> <o650j2$map$1@dont-email.me>
 <o651pj$qjp$1@dont-email.me>
Mime-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 8bit
Injection-Date: Mon, 23 Jan 2017 14:30:29 -0000 (UTC)
Injection-Info: mx02.eternal-september.org;
 posting-host="1780120e050c00f6f0a51cff6360d3a2";
	logging-data="3746"; mail-complaints-to="abuse@eternal-september.org";
	posting-account="U2FsdGVkX1+y3cVRJkT8Drr5BZzFixVS"
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101
 Icedove/45.6.0
In-Reply-To: <o651pj$qjp$1@dont-email.me>
Cancel-Lock: sha1:bGLPp3IGLlZwRKu+vs5s72Y5glo=
Xref: news.eternal-september.org comp.lang.ada:33135
Date: 2017-01-23T15:32:12+01:00
List-Id: <comp.lang.ada>

On 2017-01-23 14:53, G.B. wrote:
> On 23.01.17 14:32, Björn Lundin wrote:
>> or something like
>>  pragma Compile_Time_Error(Duration'Last > 100 * 86_400.0, "To large");
>>
>> if Duration'Last > 100 * 86_400.0 you get a compile error
>> with the string "To large"
> 
> Is this  available with compilers other than GNAT?

hmm, I see that it is listed under
<https://gcc.gnu.org/onlinedocs/gnat_rm/Implementation-Defined-Pragmas.html#Implementation-Defined-Pragmas>
so I guess not.

> Could it be made standard?

That is something for compiler implementors to answer.
I don't use this one a lot, but I do use its sibling
Compile_Time_Warning quite a bit.



-- 
--
Björn